i) CH3COOCH3 ii) CH3COOC2H5 iii) (CH3)2CHCOOH Solutions: i) Methyl Ethanonate ii) Ethyl Ethanonate iii) 2 methyl propanoic acid
Manufacture of synthetic fibers (e.g.) nylon. Manufacture of pesticides Manufacture of dyes Manufacture of drugs
Aliphatic Aromatic 1. C: H ratio is low C: H ratio is high 2. Burns without soots or luminous flame Burns with sooting flame 3. Not based on benzene Based on Benzene Structure 4. Multiple bonds may be included Multiple bonds must be included...
Name THREE important alloys of aluminium. ii. Give two uses of each of the alloys named. iii. Give the composition of ONE of the alloys named. – NABTEB QUESTION
Solution: Duralumin Composition: AL, Mg, Cu, Mn Use – construction of car, Aeroplane, Railways Coaches, ship. Aluminium Brass – cu, AL uses for casting coins and medals Alnico:– fe, A1, Ni, Co Uses – for making permanent Magnets
Metals that can be extracted through electrolysis - Sodium Potassium Calcium Magnesium.
Alum is used for water purification Alum is used for mordant in dyeing
KAl(S04)2.12H2O Name: Potassium aluminum III tetra oxosulphate VI duodecahydrate or NH4Fe(S04)2.12H2O Name: Ammonium Chromium III tetraoxosulphate VI duodecahydrate
Write short notes on any five of the following: (a) Called up capital (b) Paid up capital (c) Issued capital (d) Poste restante (e) Capital employed (f) Capital owned. – NABTEB QUESTION
ANSWERS a. Called up capital: This is the amount of money called up on the shares that have been subscribed b. Paid up capital: This is the actual amount of capital that share holders have paid to the company. At times, shares are paid in installments or when the...
The marketing mix commonly called 4ps are: (i) Price (ii) Place (iii) Product (iv) Promotions EXPLANATION 1. PRICE: This is the money consideration which the buyer provides in exchange for transfer of the property in the goods. The producer takes decisions on the...